Question

help 2cot2θ= cotθ-tanθ​

Answer 1

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Step-by-step explanation:

cotθ-tanθ

⇒cosθ/sinθ - sinθ/cosθ

⇒(cos²θ - sin²θ) / sinθcosθ

⇒cos2θ / ½sin2θ

⇒2cot2θ

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Answer 2

HEYA MATE

ANSWER:-

2cot2θ= cotθ-tanθ​

SOLUTION:

cotθ-tanθ

⇒cosθ/sinθ - sinθ/cosθ

⇒(cos²θ - sin²θ) / sinθcosθ

⇒cos2θ / ½sin2θ

⇒2cot2θ